Home / 239,786.20-330,905.01-132,356.29

Finding the Fourth Proportional to 239,786.20, 330,905.01 and 132,356.29

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Solution

The fourth proportional to 239,786.20, 330,905.01 and 132,356.29 is: 182,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,786.20 : 330,905.01 = 132,356.29 : x
  2. Step 2: Convert to fraction form
    239,786.20/330,905.01 = 132,356.29/x
  3. Step 3: Cross multiply
    239,786.20x = 330,905.01 × 132,356.29
  4. Step 4: Simplify right side
    239,786.20x = 43,797,359,466.01
  5. Step 5: Solve for x
    x = 43,797,359,466.01/239,786.20
  6. Step 6: Final answer
    x = 182,651.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.